#C5EE3B#C5EE3B

#C5EE3B is a very light, vivid yellow-green. Relative luminance 0.733; OKLCH L 89.0% C 0.198 H 122.1°. Best body text is #000000 at 15.67:1 contrast (WCAG AA passes).

Color values

HEX#C5EE3B
RGBrgb(197, 238, 59)
HSLhsl(74, 84%, 58%)
HSVhsv(74, 75%, 93%)
CMYKcmyk(17.2%, 0%, 75.2%, 6.7%)
CIE-LABlab(88.61, -35.78, 76.09)
CIE-LCHlch(88.61, 84.09, 115.18°)
OKLaboklab(88.96% -0.1053 0.1678)
OKLCHoklch(88.96% 0.198 122.1)
XYZxyz(54.3907, 73.3350, 15.4265)
Luminance0.7333 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C5EE3B #643BEE
analogous
#EEBD3B #C5EE3B #6BEE3B
triadic
#C5EE3B #3BC5EE #EE3BC5
tetradic
#C5EE3B #3BEEBD #643BEE #EE3B6B
square
#C5EE3B #3BEEBD #643BEE #EE3B6B
split-complementary
#C5EE3B #3B6BEE #BD3BEE
monochromatic
#7FA10E #ACD913 #C5EE3B #D6F373 #E6F8AC

Accessibility & contrast

On white

1.34
#C5EE3B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

15.67
#C5EE3B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C5EE3B
15.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C5EE3B#FFFFFF#000000##000000
##C5EE3B1.001.3415.6715.67
#FFFFFF1.341.0021.0021.00
#00000015.6721.001.001.00
##00000015.6721.001.001.00

Color blindness preview

Protanopia (red-blind)
#FCDF09
Deuteranopia (green-blind)
#F7DE4C
Tritanopia (blue-blind)
#D0E2CC
Achromatopsia (no color)
#DEDEDE

Design tokens & code

CSS
--color: #c5ee3b;
/* rgb */ color: rgb(197, 238, 59);
/* oklch */ color: oklch(89.0% 0.198 122.1);
Tailwind
colors: {
  custom: {
    50: '#dbf37e',
    500: '#c5ee3b',
    950: '#000000',
  },
}
SCSS
$custom: #c5ee3b;
$custom-light: #dbf37e;
$custom-dark: #000000;
JSON
{
  "hex": "#c5ee3b",
  "rgb": {
    "r": 197,
    "g": 238,
    "b": 59
  },
  "hsl": {
    "h": 73.743,
    "s": 84.038,
    "l": 58.235
  },
  "oklch": {
    "l": 0.88961,
    "c": 0.19809,
    "h": 122.1
  },
  "luminance": 0.73335
}

Semantic roles & 50–950 ramp

primary
#C5EE3B
secondary
#462AA3
accent
#2DFA5C
background
#FEFFFB
surface
#FCFEF2
border
#D5D6CC
text
#15170B
muted
#84857E

Preview Lab

Preview with #C5EE3B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#C5EE3B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva